CSS Lists

ul {
  list-style-type: disc;     /* disc | circle | square | decimal | none */
  list-style-position: outside; /* outside | inside */
}

ol {
  list-style-type: upper-roman;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  display: inline-block; /* lay the items out horizontally */
  margin-right: 16px;
}

ul.checklist {
  list-style-image: url("check.svg");
}